On a table three blocks (including the first block) are placed as shown in the figure. Mass of each block is m and coefficient of friction for each block is `mu`. A force F is applied on the block so as to move the system. The minimum value of F should be

The friction coefficient between the blocks is mu . If force F is applied on the lower block , analyse motion of two blocks.

A block of mass m=4kg is placed oner a rough inclined plane as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . A force F=10N is applied on the block at an angle of 30^(@) .

Two blocks A and B are lying on the table as shown in the figure. The coefficient of friciton between block A and block B is mu . The coefficient of friction between block B and ground also mu . An external force F is applied in the direction shown. The maximum value of the force F that can be applied without moving the blocks.

Consider the situation shown in the figure . The coefficient of friction between the blocks is mu . Find the minimum and the maximum force F that can be applied so that two blocks move together.

A block of mass m is lying on horizontal surface of coefficient of friction mu. A force is applied to the block at an angle theta with the horizontal. The block will move with a minimum force F if

For the arrangement shown in the figure the coefficient of friction between the two blocks is mu . If both the blocks are identical and moving ,then the acceleration of each block is

In the fig. as shown mass of each block is same. The surface are rough with coefficient of friction mu . The block B moves with acceleration a . The frictional force on the block C is kxxmu ma . Calculate the value of K

A block of mass 1 kg is placed on a wedge shown in figure. Find out minimum coefficient of friction between wedge and block to stop the block on it.

A block of mass m is placed at rest on a horizontal rought surface with angle of friction phi . The block is pulley with a force F at an angle theta with the horizontal. The minimum value of F required to move the block is